Home / 725,483.38-1,088,223.76-193,004.40

Finding the Fourth Proportional to 725,483.38, 1,088,223.76 and 193,004.40

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Solution

The fourth proportional to 725,483.38, 1,088,223.76 and 193,004.40 is: 289,506.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,483.38 : 1,088,223.76 = 193,004.40 : x
  2. Step 2: Convert to fraction form
    725,483.38/1,088,223.76 = 193,004.40/x
  3. Step 3: Cross multiply
    725,483.38x = 1,088,223.76 × 193,004.40
  4. Step 4: Simplify right side
    725,483.38x = 210,031,973,864.54
  5. Step 5: Solve for x
    x = 210,031,973,864.54/725,483.38
  6. Step 6: Final answer
    x = 289,506.25

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.